diff --git a/spartan/environments/staging-public.env b/spartan/environments/staging-public.env
index 9bbdd78887b6..2d84c828e8b0 100644
--- a/spartan/environments/staging-public.env
+++ b/spartan/environments/staging-public.env
@@ -43,6 +43,7 @@ VALIDATOR_HA_REPLICAS=1
 VALIDATOR_RESOURCE_PROFILE="prod-spot"
 
 PROVER_FAILED_PROOF_STORE=gs://aztec-develop/staging-public/failed-proofs
+L1_TX_FAILED_STORE=gs://aztec-develop/staging-public/failed-l1-txs
 PROVER_REPLICAS=4
 PUBLISHERS_PER_PROVER=2
 PROVER_PUBLISHER_MNEMONIC_START_INDEX=8000
diff --git a/spartan/environments/testnet.env b/spartan/environments/testnet.env
index f8265adf3cdd..9467fc23b460 100644
--- a/spartan/environments/testnet.env
+++ b/spartan/environments/testnet.env
@@ -50,4 +50,5 @@ VALIDATOR_PUBLISHER_MNEMONIC_START_INDEX=5000
 PUBLISHERS_PER_PROVER=2
 PROVER_PUBLISHER_MNEMONIC_START_INDEX=8000
 PROVER_FAILED_PROOF_STORE=gs://aztec-develop/testnet/failed-proofs
+L1_TX_FAILED_STORE=gs://aztec-develop/testnet/failed-l1-txs
 PROVER_REPLICAS=4
diff --git a/spartan/terraform/deploy-aztec-infra/main.tf b/spartan/terraform/deploy-aztec-infra/main.tf
index 9b06ef870bed..f7ca9d8c3562 100644
--- a/spartan/terraform/deploy-aztec-infra/main.tf
+++ b/spartan/terraform/deploy-aztec-infra/main.tf
@@ -235,6 +235,7 @@ locals {
     "validator.node.env.WS_NUM_HISTORIC_CHECKPOINTS"           = var.WS_NUM_HISTORIC_CHECKPOINTS
     "validator.node.env.TX_COLLECTION_FILE_STORE_URLS"         = var.TX_COLLECTION_FILE_STORE_URLS
     "validator.node.env.SEQ_SKIP_CHECKPOINT_PUBLISH_PERCENT"   = var.SEQ_SKIP_CHECKPOINT_PUBLISH_PERCENT
+    "validator.node.env.L1_TX_FAILED_STORE"                    = var.L1_TX_FAILED_STORE
   }
 
   # Note: nonsensitive() is required here because helm_releases is used in for_each,
@@ -347,6 +348,7 @@ locals {
           "node.node.proverRealProofs"                          = var.PROVER_REAL_PROOFS
           "node.node.env.PROVER_FAILED_PROOF_STORE"             = var.PROVER_FAILED_PROOF_STORE
           "node.node.env.PROVER_PROOF_STORE"                    = var.PROVER_PROOF_STORE
+          "node.node.env.L1_TX_FAILED_STORE"                    = var.L1_TX_FAILED_STORE
           "node.node.env.DEBUG_FORCE_TX_PROOF_VERIFICATION"     = var.DEBUG_FORCE_TX_PROOF_VERIFICATION
           "node.node.env.KEY_INDEX_START"                       = var.PROVER_PUBLISHER_MNEMONIC_START_INDEX
           "node.node.env.PUBLISHER_KEY_INDEX_START"             = var.PROVER_PUBLISHER_MNEMONIC_START_INDEX
diff --git a/spartan/terraform/deploy-aztec-infra/variables.tf b/spartan/terraform/deploy-aztec-infra/variables.tf
index ecf14df0976b..2dd62ae32396 100644
--- a/spartan/terraform/deploy-aztec-infra/variables.tf
+++ b/spartan/terraform/deploy-aztec-infra/variables.tf
@@ -669,6 +669,13 @@ variable "PROVER_FAILED_PROOF_STORE" {
   default     = ""
 }
 
+variable "L1_TX_FAILED_STORE" {
+  description = "Optional GCS/URI to store failed L1 transaction inputs (e.g. gs://bucket/path)"
+  type        = string
+  nullable    = false
+  default     = ""
+}
+
 variable "PROVER_PROOF_STORE" {
   description = "Optional GCS/S3/file URI to store proof inputs and outputs (e.g. gs://bucket/path, s3://bucket/path, file:///path)"
   type        = string